96 lines
3.5 KiB
Markdown
96 lines
3.5 KiB
Markdown
Yii widgets
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===========
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Most complex bootstrap components are wrapped into Yii widgets to allow more robust syntax and integrate with
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framework features. All widgets belong to `\yii\bootstrap5` namespace:
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- [[yii\bootstrap5\Accordion|Accordion]]
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- [[yii\bootstrap5\ActiveField|ActiveField]]
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- [[yii\bootstrap5\ActiveForm|ActiveForm]]
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- [[yii\bootstrap5\Alert|Alert]]
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- [[yii\bootstrap5\Breadcrumbs|Breadcrumbs]]
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- [[yii\bootstrap5\Button|Button]]
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- [[yii\bootstrap5\ButtonDropdown|ButtonDropdown]]
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- [[yii\bootstrap5\ButtonGroup|ButtonGroup]]
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- [[yii\bootstrap5\ButtonToolbar|ButtonToolbar]]
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- [[yii\bootstrap5\Carousel|Carousel]]
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- [[yii\bootstrap5\Dropdown|Dropdown]]
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- [[yii\bootstrap5\LinkPager|LinkPager]]
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- [[yii\bootstrap5\Modal|Modal]]
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- [[yii\bootstrap5\Nav|Nav]]
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- [[yii\bootstrap5\NavBar|NavBar]]
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- [[yii\bootstrap5\Offcanvas|Offcanvas]]
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- [[yii\bootstrap5\Popover|Popover]]
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- [[yii\bootstrap5\Progress|Progress]]
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- [[yii\bootstrap5\Tabs|Tabs]]
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- [[yii\bootstrap5\Toast|Toast]]
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- [[yii\bootstrap5\ToggleButtonGroup|ToggleButtonGroup]]
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## Customizing widget CSS classes <span id="customizing-css-classes"></span>
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The widgets allow quick composition of the HTML for the bootstrap components that require the bootstrap CSS classes.
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The default classes for a particular component will be added automatically by the widget, and the optional classes that you may want to customize are usually supported through the properties of the widget.
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For example, you may use [[yii\bootstrap5\Button::options]] to customize the appearance of a button.
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The class 'btn' which is required for a button will be added automatically, so you don't need to worry about it.
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All you need is specify a particular button class:
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```php
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echo Button::widget([
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'label' => 'Action',
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'options' => ['class' => 'btn-primary'], // produces class "btn btn-primary"
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]);
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```
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However, sometimes you may need to replace the default classes with the alternative ones.
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For example, the widget [[yii\bootstrap5\ButtonGroup]] uses 'btn-group' class for the container div by default,
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but you may need to use 'btn-group-vertical' instead to align the buttons vertically.
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Using a plain 'class' option simply adds 'btn-group-vertical' to 'btn-group', which will produce an incorrect result.
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In order to override the default classes of a widget, you need to specify the 'class' option as an array that contains the customized class definition under the 'widget' key:
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```php
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echo ButtonGroup::widget([
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'options' => [
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'class' => ['widget' => 'btn-group-vertical'] // replaces 'btn-group' with 'btn-group-vertical'
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],
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'buttons' => [
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['label' => 'A'],
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['label' => 'B'],
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]
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]);
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```
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## Navbar widget <span id="navbar-widget"></span>
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The navbar widget has its peculiarities. You should define at which breakpoint the navbar collapses and the generic
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style of navbar (color scheme).
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You can change the color scheme and the collapse breakpoint with css classes. If not defined, the scheme defaults to
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`navbar-light bg-light` and the breakpoint to `navbar-expand-lg`. For more information, see [Bootstrap documentation](https://getbootstrap.com/docs/5.1/components/navbar/):
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```php
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Navbar::begin([
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'options' => [
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'class' => ['navbar-dark', 'bg-dark', 'navbar-expand-md']
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]
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]);
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[...]
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Navbar::end();
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```
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If you'd like to flip the brand (icon) and toggle button positions in mobile navigation, you can do this like this:
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```php
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Navbar::begin([
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'brandOptions' => [
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'class' => ['order-1']
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],
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'togglerOptions' => [
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'class' => ['order-0']
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]
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]);
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[...]
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Navbar::end();
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```
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